Speed square for iron workers



FIG. 1 is a front view of a speed square for iron workers, as shown and described;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top side view thereof; and,

FIG. 5 is a bottom side view thereof. 

The ornamental design for a speed square for iron workers, as shown and described. 